Whooper Swan
Cygnus cygnus

see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock see larger image Whooper Swan Cygnus cygnus Fort Worth Zoo - Fort Worth, TX © 2008 Jeff Whitlock

Related Links
BirdGuides
FeatherSite
The Royal Society for the Protection of Birds (RSPB)
Flickr - may have photos
Wikipedia - may have a species page